Olyokma

General data
- Water type: River
- Progression: Lena -> Laptev sea -> Arctic ocean -> Planet Earth
- Climates: Continental, Subpolar
- Continents: Asia
- Countries: Russia
Description
The Olyokma (Russian: Олёкма, Olyokma, IPA: Yakut: Өлүөхүмэ, Ölüöxüme) is a tributary of the Lena in eastern Siberia. The river is 1,436 kilometres long, and has a drainage basin of 210,000 square kilometres.